baber/WOPTO huggingface dataset:
Patent GB-763590-A (GB)
Title: Method for drying and impregnating electric cables
IPC: H01B13/30
Filed: 1952-10-21
Abstract: 763,590. Impregnating for electric insulation. OSNABRUCKER KUPFER-UND DRAHTWERK. Oct. 21, 1952 [Dec. 21, 1951], No. 20472/54. Divided out of 763,588, [Group V]. Drawings to Specification. Class 140. A high-tension electric cable comprising a solid core not provided with longitudinal channels and a metal sheath formed with one or more outwardly-extending, helically-running corrugations as described in the original Specification, is dried and impregnated from one or both ends of the cable utilizing the corrugation space or spaces between the sheath and the cable core as channels for withdrawing vapours or supplying the impregnant. After impregnation, surplus impregnant may be withdrawn by evacuating from the ends, or blown out by admitting air or gas under pressure at one end. The impregnant may be degasified or may be gas-saturated. The cable is dried by evacuating from one or both ends while heating the cable in a drying chamber, and dry compressed-air or inert gas may then be blown in from one or both ends. Gascushion cables may be made by drawing the unimpregnated cable core into a smooth tube, shaping the tube to form a single helical corrugation, drying and evacuating the cable, impregnating the core, removing excess impregnating composition, filling the tube with gas, and finally shaping the tube to form a second helical corrugation in the opposite direction to the first.
Patent GB-499752-A (GB)
Title: Improvements in or relating to gumming machines
IPC: B05C1/02
Filed: 1937-07-24
Abstract: <PICT:0499752/III/1> <PICT:0499752/III/2> In a machine of the kind in which a gumming blade moves alternately towards the work for gumming and away from it to an inoperative position, the blade is automatically retained in the inoperative position and the retaining means is controlled by the operator to permit gumming when the work has been placed in position.  The gumming blade is detachable and may be replaced by numbering or printing devices, and the bar which normally carries the blade may operate punches on the bed of the machine.  As shown in Fig. 3, the gumming blade 21 is carried on a sliding frame 19, 20 actuated by a cam 42 on the shaft 27, the weight being partly balanced by springs 60.  When a clutch-pedal is operated, the shaft 27 is driven but a pawl 50 engages a rack 48 on the frame 19, 20 and holds it in the raised position shown.  A second cam on the shaft 27 actuates mechanism to move a block 24 carrying a transfer roller 23 horizontally to and fro between a continuously-driven duct roller 12 in a gum trough 11 and the raised gumming blade.  When a control pedal is operated, the pawl 50 is withdrawn and the blade 21 is moved up and down whilst the operator places successive sheets in position, until the pawl is again allowed to act.  A safety-catch mechanism, Fig. 4 (not shown), acts to prevent release of the pawl until the cam 42 has raised the follower 43, 44 to the highest position.  A doctor blade 14 mounted above the duct roller is adjustable horizontally. A platform with two work supports is slidably mounted on the table 10 so that one lot of work can be gummed whilst another is prepared.  As shown in Fig. 7, the reciprocating frame 19, 20 actuated and controlled as described above, carries numbering boxes 69 mounted on a support 65 which is made in two parts to facilitate inspection of the boxes.  The actuating pawl of the box 69 is operated when a lever 73 carried on the frame 19, 20, engages fixed stops.  The box is inked from the trough 78 as described for the gumming blade.  In a modification, Fig. 8 (not shown), the bar 20 operates a number of punches mounted in punch bodies arranged along the table 10.  In modifications not shown, link and lever mechanism is interposed between the bar 20 and the punches, the bar 20 may carry printing plates or holders for type, the rack and pawl device 48, 50, may be replaced by a friction grip applied to the rods 19 of the frame or by vertical pins sliding in the table 10, or the blade &c. may be actuated mechanically in both directions, the operating device for the downstroke being controlled with the retaining mechanism.
Patent GB-1305059-A (GB)
IPC: A01C3/06
Filed: 1970-04-29
Abstract: 1305059 Tank-type manure spreader SPERRY RAND CORP 29 April 1970 [3 Oct 1969] 20550/70 Heading A1D A tank-type manure spreader 10 has baffles 32 for reducing the spillage of the liquid or semi-liquid contents during transit. The tank 10 has the form of a cylinder with an opening defined by the ends 20, 18 of the tank and the edges 21 and 22. At each end of the edge 22 is bolted a baffle 32 made up of two plates braced by a cross-member. The shape of the angled plates is designed to reduce the loss of manure as it stops, due to its inertia, against the ends of the tank on sudden accelerations of the tank but not to inhibit discharge of the contents when desired.
Patent GB-1498359-A (GB)
Title: Method for making sintered parts
IPC: B22F8/00
Filed: 1976-05-18
Abstract: 1498359 Sintered bodies made from cryogenically crushed metal FORD MOTOR CO Ltd 18 May 1976 [6 June 1975] 20560/76 Heading C7D  Sintered metal bodies are made from cryogenically crushed metal powder which is impacted at ambient temperature, e.g. bath milled, with Cu containing powder maximum particle size 0.1" and Cu free elements e.g. iron balls, larger than 0.1". The Cu coated cold worked powder is then compacted and sintered. The Fe ball impacting elements are preferably at least 50 times as large as the largest powder particle. The process is particularly applicable to low alloy steel scrap turnings with a surface volume ratio of at least 60:1, the turnings being refrigerated with liquid N 2  to below 40F, ball milled at this temperature with iron balls and then ball milled at ambient temperature with ¢" iron balls and Cu powder. The Cu coated powder is then pressed and sintered conventionally.
Patent GB-803563-A (GB)
Title: Improvements in or relating to brake bands
Inventor: HOLDEMAN JOHN WILLIAM
IPC: F16D49/10
Filed: 1956-07-03
Abstract: 803,563. Brake bands. BORG-WARNER CORPORATION. July 3, 1956, No. 20574/56. Class 103 (1). [Also in Group XXII] In a brake band adapted to be contracted into engagement with the outer periphery of a rotatable drum for frictionally braking the drum, the band is expansible to cause disengagement of the band from the drum, is non- circular when in its expanded condition and is contractible to a substantially true circular shape in working condition to engage the drum at substantially all points on the band periphery when forces are applied to the ends of the band. In the embodiment illustrated the brake band shown in its expanded and contracted form in Figs. 6 and 7 respectively is formed by placing a substantially cylindrically shaped brake band 15, having its ends jointed by a bracket 19 welded thereto (Fig. 4) around an expansible mandrel (Fig. 1) the periphery of which is divided into six sectors each of 60 degrees and having determined radii and centres determined by co-ordinates as disclosed in the Specification such that when the mandrel is expanded by means of a tapered key being driven into the central aperture in the mandrel, the shape of the expanded mandrel gives the required amount of reverse or negative distortion to the brake band such that the brake band, after having the friction material cemented to its inner diameter and the bracket 19 is severed, is allowed. to assume its free shape. When the band is compressed by the forces F the band 15 assumes a substantially cylindrical shape; the mid-point 21 having the greatest radius of curvature and the radius of curvature progressively decreasing towards either end 17, 18 of the band. Since the bending moment is greatest towards the mid-point 21 and progressively decreases towards the ends 17 and 18 of the band, due to the greater radius of curvature of the middle portions of the band these portions must be bent more in order for them to approach a true circle and consequentially, since the bending moment is greater progressively from the end of the band to the midpoint thereof, the sections of the band having the greater radius of curvature are bent more, such that the entire band is compressed to a substantial circular working position to engage the brake drum at all points on its periphery and boring of the brake lining after assembly is thus avoided.
Patent GB-716466-A (GB)
Title: Process for the production of hollow inflatable articles of rubber or like material
Inventor: SIDLEY HENRY
IPC: B29C41/20
Filed: 1952-08-18
Abstract: 716,466. Moulding inflatable rubber articles. VULCO CHEMICAL CO., Ltd. Aug. 18, 1952, No. 20727/52. Class 87 (2) Hollow, inflatable rubber articles are made in a sectional cavity mould (not shown) of porous material e.g. plaster of Paris, having a self-sealing insert 1 of, e.g. rubber supported near the mould wall by means of a hollow needle 4 extending through the mould wall into the cavity. A desired quantity of an aqueous dispersion of rubber is fed to the mould which is thereupon rotated about a number of different axes to effect deposition of the rubber 5 on the walls of the mould. After the formed article has been removed from the mould it is dried, vulcanized and inflated by means of the needle which is' then withdrawn. During moulding the outer end of the needle communicates with the atmosphere and the inner end lies near the centre of the moulded article.
Patent GB-775660-A (GB)
Title: Improvements in and relating to the design of bolts and studs for use at high temperatures
Inventor: OLDS GEOFFREY CHARLES EDWARD
IPC: F16B31/06
Filed: 1953-07-27
Abstract: 775,660. Bolts &c. BRITISH THOMSONHOUSTON CO., Ltd. July 23, 1954 [July 27, 1953], No. 20775/53. Class 89 (1). A bolt or stud capable of being stressed at a temperature at which creep may occur, has its cross-sectional area over a part of its length in. creased, whereby substantially to confine the plastic-strain occurring in the bolt &c. to the part or parts of smaller cross-sectional area. In one arrangement a stud of effective length M with screwed parts C, D is stressed to secure together flanges E, F. The reduced parts A, B, each of length N/2 and cross-sectional area a, are symmetrical about the increased part L, which has a cross-sectional area b. The nuts G, each of length n/2, engage parts C, D and act on areas c of the flanges. These symbols are combined in the formula where f is a fraction of the plastic strain utilized for elastic strain and stress relief in parts A, B; k is a numerical fraction taking account of the reduction in stress from end to end of the nut; p, q and r are small fractions which define small proportions of plastic strain which occur in length L, the flanges, and the nut and screw-thread respectively.
Patent GB-1127335-A (GB)
Title: Catalysis by dense zeolites
IPC: C10G35/095
Filed: 1967-05-04
Abstract: 1,127,335. Hydrocarbon conversion catalyst. MOBIL OIL CORP. 4 May, 1967 [4 May, 1966], No. 20817/67. Heading C5E. A hydrocarbon conversion process comprises contacting a hydrocarbon charge under catalytic conversion conditions with a crystalline aluminosilicate of uniform pore size having an n-hexane sorption capacity of less than 1À6 wt. per cent at 20 mm. vapour pressure and 25‹ C. and an effective pore diameter less than the smallest cross-sectional dimension of the charge molecules. The zeolite may be mordenite, chabazite, sodalite, lazurite or zeolite A, preferably of pore size less than 5 Š and containing divalent and/or trivalent metal cations and less than 10 wt. per cent alkali metal, optionally admixed with a porous matrix. The examples describe the cracking of n-hexane and a mid-continent gas oil at 700-130‹ F. and a LHSV of 0À2 to 20. Olefins may be isomerized at 200-900‹ F. and hydrocracking and reforming processes may be carried out with the catalyst at 700-1300‹ F. The catalyst may also be used for alkylation, dealkylation, diproporptionation and polymerization but no details are given.
Patent GB-1513320-A (GB)
Title: N-propargyl-2-phenylamino-2-imidazolines
IPC: A61K31/415
Filed: 1976-05-21
Abstract: 1513320 N - Propargyl - 2 - phenylamino - 2- imidazolines BOEHRINGER INGELHEIM GmbH 21 May 1976 [24 May 1975] 21110/76 Heading C2C Novel compounds of Formula I  (wherein R 1 , R 2  and R 3 , which may be the same or different, each represents a hydrogen, fluorine, chlorine or bromine atom, or a methyl, ethyl, methoxy or trifluoromethyl group; one of R 4  and R 5  represents a hydrogen atom and the remaining R 4  or R 5  group is a propargyl group) and acid addition salts thereof are prepared by reaction of propargyl halide with a compound of Formula II or a metal salt thereof. Pharmaceutical compositions in conventional forms having analgesic or blood-pressure lowering activity comprise an above novel compound and a carrier or diluent.
Patent GB-962096-A (GB)
Title: Control system with quick response to reference changes
IPC: H02P23/00
Filed: 1963-05-27
Abstract: 962, 096. Automatic speed control. WOODWARD GOVERNOR CO. May 27, 1963 [June 18, 1962], No. 21145/63. Heading G3R. In a system in which the value of a variable is automatically controlled by an error signal corresponding to the difference between the actual value of the variable and a reference value, the error signal is temporarily increased in response to energization of power means for adjusting the reference. In Fig. 1, variations of the speed of a hydraulic turbine 10 driving an alternator 11 are detected by a tachometer alternator 24 the rectified output of which is applied to energize a winding W 1  of a magnetic amplifier 31 controlling a reversible solenoid-actuated valve 44 of a hydraulic servo-system correcting turbine speed by adjusting gate valve 15 in a penstock 14 supplying fluid to the turbine. The desired speed is set by a potentiometer 29 controlling the energization of a magnetic amplifier reference winding W 2  and this potentiometer is adjustable remotely by push buttons S 1  S 2  controlling a reversible electric servomotor 80. Operation of either push button to increase or decrease speed closes one or other of auxiliary contacts S 1c  S 2c  to energize an auxiliary winding W 4  of the magnetic amplifier in such sense as to assist the change in speed. When the push button is released just prior to the turbine reaching a desired speed, as indicated by a voltmeter 90 associated with tachometer 24, auxiliary winding W 4  is de-energized so that the overshoot is less than it otherwise would be. One further magnetic amplifier control winding W, is energized through a transformer 34 in dependence on rate of change of turbine speed, and another W 5  is energized from a potentiometer 75 in dependence on the position of valve 15 to give a drooping characteristic of load adjustment when alternator 11 is connected in parallel with other alternators by means of a switch 21. In a modification motor 80 is of the split-field type and auxiliary winding W 4  of the magnetic amplifier is energized by a voltage, which undergoes transient variations, derived from the motor field windings through a resistance-condenser network.
Patent GB-741664-A (GB)
Title: Improvements in and relating to the construction of building units
IPC: E04B2/14
Filed: 1952-08-22
Abstract: 741,664. Building blocks. SMALLWOOD, P., and SMITH & CO. (BUILDERS) Ltd., F. Nov. 4, 1953 [Aug. 22, 1952], No. 21149/52. Class 87(1). A building block 1 of inverted U section is provided in its upper wall with perforations 6 surrounded by annular projections 5 over which a superposed block will fit. The block may be reinforced by ribs 9 and provided with end grooves 8. Corresponding corner and wall junction blocks are provided.
Patent GB-968290-A (GB)
Title: Improvements in or relating to dispensers for syrups and like commodities
IPC: A47G19/18
Filed: 1962-06-01
Abstract: 968,290. Valves. M. C. S. COOKSON. June 1, 1962 [June 7, 1961], No. 21172/62. Heading F2V. [Also in Division F1] A flap valve for a dispenser for liquids containing solids in suspension (see Division F1) is of flexible material, e.g. rubber or plastics, and has a feathered edge to permit sealing around trapped solids. As an outlet valve 31, the flap valve is moulded with an integral mounting flange 29, 30, Fig. 4, and has a stiffening rib 33. As an inlet valve 22, the flap valve is moulded integrally with a pump diaphragm 8.
Patent GB-416533-A (GB)
Title: Improvements in welding apparatus
IPC: G05F1/32
Filed: 1933-07-28
Abstract: 416,533. Supply systems ; rectifying alternating currents. WILSON WELDER & METALS CO., Inc., 956, 38th Street, North Bergen, New Jersey, U.S.A. July 28, 1933, No. 21280. Convention date, Aug. 19, 1932. [Classes 38 (ii) and 38 (iv).] Arc systems ; boosting by static transformers.- An arc welding apparatus is supplied through a rectifier in which a falling voltage characteristic is produced by means including a transformer the mutually coupled windings of which assist one another in effecting a lowering of the voltage supplied to the rectifier and the magnetisation of which increases with load current. In the arrangement shown in Fig. 1 the secondary windings of bucking transformers 2, 3 are connected between the secondary winding of the main transformer 1 and the anodes of the full wave rectifier 18. The primary windings of these transformers are in series with the main transformer primary so that bucking voltages are injected into the anode circuit proportional to the load current. In addition the primary windings act as chokes in the primary circuit to increase further the drop in voltage. Variable resistances 25, 26 are connected in shunt with the primary windings to enable the amount of buck to be varied. In a modification a single bucking transformer is employed and a potentiometer is used to obtain the centre tapping 23. In a further modification of this the bucking transformer is combined with the main transformer. An auxiliary core carrying the bucking primary winding links the main secondary winding. In a further modification shown in Fig. 4 the secondary windings of transformers 54, 55 connected in the anode leads are connected together so that the circulating secondary currents cause a bucking of the voltage applied to the anodes. In a modification of this the primary windings 56, 57 are directly coupled.
Patent GB-121742-A (GB)
Title: Process of and Apparatus for the application of an Adhesive Material in a Dry State to a Fibrous Fabric for Insulating Purposes.
IPC: D06B3/10
Filed: 1918-12-19
Abstract: 121,742. Haefely et Cie, Akt.-Ges., E. Dec. 22, 1917, [Convention date]. Coating fabrics in long lengths.-Paper or other fibrous fabric is coated with an adhesive material for insulating purposes by passing the fabric in direct contact with solid lac or resin either through a powder supplying reservoir or over a melting block, and melting the lac or resin upon the web by a heating action in a manner known for the fabrication of india-rubber clothes, waterproof clothes, &c., such as described in Specifications 8636/03 and 3112/08. As shown in Fig. 1, the fabric a passes through a trough c containing the powdered material, and under a gauge d which is vertically adjustable to control the amount of material applied. Auxiliary slides d<1> may be provided when portions of the width of the fabricaro to be left bare. After leaving the trough, the fabric passes under a stationary or rotary grooved distributing roller e, and then over the hot roller f. In a modification, shown in Fig. 3, the material is rubbed on from a block p and melted on the fabric a as the latter passes over the heated roller. By closing down the gauge d or removing the block p, lengths of fabric may be left free from coating material, as desired.
Patent GB-152177-A (GB)
Title: Improvements in hand operated brakes for tramcars and other vehicles
IPC: B61H13/02
Filed: 1919-08-30
Abstract: 152,177. Bardsley, W. Aug. 30, 1919. Force - transmitting mechanism; compensating for wear. - Means for applying brake blocks to tramcar and other vehicle wheels in front only according to the direction of motion, as described in Specification 5377/14, are applied to vehicles mounted on a pair of bogies, each of the driving- wheels of the bogies being fitted with the brake blocks disposed on opposite sides of the wheel, and one or other being applied according to the direction of travel. Fig. 2 shows a plan of a tramcar in which the driving-wheels are provided with blocks a, b, c, d, the blocks a, b being applied when the vehicle is travelling to the left of the Figure and the blocks c, d when travelling to the right. The blocks band d on the two sides of the vehicle are connected by members m, v which are coupled by rods k<4>, u<3>, levers k<1>, u and links k*, t<4> to curved bars k, t<3>. Adjusting- nuts k<5>, u<4> are provided to take up wear. Each of the blocks a, c is connected by a frame j and adjustable rods j<1>, Fig. 3, to a lever h pivoted to the bogie, the upper ends of the levers h being connected by rods g<1> to curved bars g, s<5>. The bars k, g are engaged by rollers on the ends of rods e<1>, e which are connected to chains e<2>, e<3> passed around pulleys w carried at different levels on a lever c*, the ends of the chains being anchored to the pivot c<1> of the lever which can slide in slotted plates c<3> on the underframe. The lever c* is actuated to applv the blocks a, b by a rod d extending to one end of the vehicle. The bars s<5>, t<3> are similarly connected to a lever s<1> actuated from the other end of the vehicle.
Patent GB-829413-A (GB)
Title: Improvements in and relating to the adsorption of organic vapours
Inventor: GODDARD REGINALD EDWIN
IPC: C07C17/389
Filed: 1956-07-11
Abstract: A process for recovering organic compounds from gas streams in which they are present in vapour form comprises passing the stream over granules of a polyalkene whereby the organic compounds are absorbed on the granules and thereafter desorbing the organic compounds or compound from the granules.  The polyalkene, e.g. polyethylene and polypropylenes, is usually produced by a low-pressure polymerization process.  The optimum size of the granules used is between BSS 25 and 72 and a bulk density of 0.12 to 0.14 gms/ml.  The desorption is effected by passing an inert gas through the loaded granules and amongst organic compounds which can be efficiently collected from gases containing them by means of isotactical polypropylene are iso-octane, benzene, and carbon tetrachloride.  All these can be efficiently desorbed subsequently by passing a stream of inert gas such as nitrogen through the loaded granules.  Other compounds which can be efficiently adsorbed and desorbed are: aliphatic alcohols such as methanol, ethanol, iso-propanol, n - propanol, iso - butanol, n - butanol; alkanes, such as n-pentane, n-hexane, n-heptane; alkenes such as pentene-1 and hexene-1; polymer alkenes, e.g. heptenes, nonenes; aromatic hydrocarbons, e.g. toluene, o-, m- and p-xylenes; cyclo-alkanes, e.g. cyclopentane, methyl-cyclopentane, cyclo-hexane, methyl-cyclohexane; and alkyl ethers, e.g. di-isobutyl, iso-butyl/n-butyl, di-n-butyl, n-butyl/iso-amyl, and n-amyl/n-butyl, ethers.ALSO:Polyethylene and isotatic polypropylene made by a low-pressure process, and of molecular weight between 50,000 to 150,000, are used as absorbents for vapours in a gas stream.  The polymers have a British Standard sieves size between 25 and 75 and a packed density of 0.12 to 0.14 gm./ml.
Patent GB-1349707-A (GB)
Title: Laminated safety glass windshields
IPC: B32B17/10
Filed: 1972-05-09
Abstract: 1349707 Laminated safety glass LIBBEYOWENS-FORD CO 9 May 1972 [18 May 1971] 21492/72 Heading B5N In a laminated safety glass windshield comprising glass sheets bonded by a plastics interlayer, at least one sheet is of float glass less than 0À110 inch thick. Either one sheet only (preferably the inner sheet) or both may be so constituted, a specified thickness range being 0À085 -0À105 inch. The "bath" surface of the glass is preferably exposed. The plastics interlayer may be polyvinyl butyral of thickness 0À030- 0À060 inch. Bonding may be by heat and pressure.